Topic: Elements — Editor width not working

codysmith
November 24, 2025 at 6:16 am

I have a brand new install that I can’t get the “Editor Width” in any Element to work as before. See this screenshot:

https://share.cleanshot.com/ykpMQ4Yf

The width stays at 100% of the block editor no matter what I put here.

I’ve included access to an InstaWP site I spun up for testing this in the Private Information area — I also tested locally and have the same issue.

Any ideas?

Ying

November 24, 2025 at 2:57 pm

Hi there,

I can replicate the issue on my end; it seems like a bug.

Thanks for reporting it to us.

For now, you can use this code to manually set a max-width for GP element’s editor. I’ve set max-width to 500px, you can change it to fit your needs.

add_filter( 'block_editor_settings_all', function( $editor_settings ) {
    
    $css = 'body.block-editor-iframe__body.post-type-gp_elements {
    max-width: 500px;
    margin-inline: auto;}';

    $editor_settings['styles'][] = array( 'css' => $css );
    
    return $editor_settings;
} );

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Elements — Editor width not working